Difference between capacitor and resistance???
Answers
Explanation:
A resistor is an electronic component used to resist the flow of current in a circuit. It's more like a friction which restricts energy. A capacitor, on the other hand, is an electronic component used to store electrical charge. It generally opposes changes in current in electrical and electronic circuits.
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The very simplest electrical component is the wire, the conductor. In a wire current flows freely between two points of differing voltage. But wires are not perfect, as to some small degree there is a certain small amount of impeding of the flow of current. This impedance is called resistance, but it is a small value, so in cases where more current is required to be impeded, that is less current is desired, a special component called a resistor is placed into the circuit and, knowing the voltages, and the specific value of the resistor, we can set the amount of current to be the desired amount. Resistors come in known, marked, coded values for convenience.
A capacitor is a device which consists of two or more parallel plates of conductor, and when introduced to the circuit, the positive plate charges up as current flows into it, and when it reaches the voltage of the circuit it stops charging and retains the charge until it is discharged. It can work together with a resistor to control the current for a desired time until it charges up, depending on the values of the two components. This can be for a long tme or a very short one, as in the case of an oscillator circuit where the resistor and capacitor can combine with other components to produce a circuit which varies in voltage and current at a fixed rate. This can be very rapid as in audio and even more so in radio circuits.
An inductor is another component that can be used in an oscillating circuit to affect the timing of the oscillations. It consists of a coil of wire wrapped around a core of ferromagnetic material, and it stores current by means of the degree to which it magnetizes the core. This too can be very long times or very short ones. In cars it can be found in the coil used for discharging sparks to the engine, and can develope a much larger charge than the battery voltage upon discharge. Inductors are also used in radio frequency circuits as timing and coupling devices in transmission and reception circuits, although this useage has declined in the digital age. They are however present in higher voltage radio transmissions, such as AM and FM stations.